大動脈弁埋込み補助人工心臓を目指した超小型軸流ポンプの試作

DOI

書誌事項

タイトル別名
  • Development of miniature axial flow blood pump for realization of the Valvo pump

抄録

<p>We have developed a new ultra-miniature axial flow blood pump to realize the Valvo pump that is implanted at the aortic valve position. The new ultra-miniature axial flow blood pump has a diameter of 24.5 mm and a length of 24.5mm, and the volume of the blood pump is 11.5 ml. the axial flow blood pump uses passive magnetic bearing for levitating in an axial direction and hydrodynamic bearing for a radial direction. The axial flow blood pump employs a ceramics inner housing to restrict edge-current loss. The axial flow blood pump was evaluated in vitro using 33 % glycerin solution. The axial flow blood pump had a pump outflow of 2.5 l/min against differential pressure of 50 mmHg at a motor rotational speed of 19000 rpm with an input energy of 9.5 W. Further studies are required including improvement of efficiency and miniaturization of the pump.</p>

収録刊行物

  • 生体医工学

    生体医工学 54Annual (26AM-Abstract), S53-S53, 2016

    公益社団法人 日本生体医工学会

詳細情報 詳細情報について

  • CRID
    1390282680244065152
  • NII論文ID
    130005285162
  • DOI
    10.11239/jsmbe.54annual.s53
  • ISSN
    18814379
    1347443X
  • 本文言語コード
    ja
  • データソース種別
    • JaLC
    • CiNii Articles
  • 抄録ライセンスフラグ
    使用不可

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